Manual Sanding Plate Dust Extraction For Bodywork Workshops Polishing Drywall Description: [Rotary adjustment] The do hand grinding board has a rotating adjustment switch, adjusts suction according to different work requirements and flexibly copes with complex tasks. [Easy do grasp] Hand grinder do drywall, better grinding and smoothing, comfortable grip, larger contact area. [Wide application] do manual grinding, versatile do hand grinding block do grinding or polishing in bodywork and varnishing workshops, retail workshops, wood furniture, metalworking workshops, industrial workshops, plasterboard. [Plate replacement] do dry grinding pressure plate, various surface structures, improve work efficiency, efficient grinding, fast and convenient, flat, convex, concave. [Fast] You can finish the job quickly, the ma comfortable handle, saves effort and is lightweight, grinds flat without slipping, saving time. Size Chart: 7 cm x 12 cm/2,76 inch x 4,72 inch 7 cm x 19,8 cm / 2,76 inch x 7,80 inch The package includes: 1 board do hand grinding 3 replacement of the board Or 1 board do hand grinding 4 replacement of the board